me ajudem pvff!!urgentee
![Me Ajudem Pvffurgentee class=](https://pt-static.z-dn.net/files/d63/7bf60f9d9cc4836a704160c81233b98a.jpg)
[tex] \sqrt{4 {}^{2} } = \sqrt{16} = 4[/tex]
letra c) 4